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i5 3570k 4.5ghz at 1.12v??

post #1 of 85
Thread Starter 
Just made a new build... i5 3570k and ASrock z77 extreme 4. I'm new to overclocking to I'd love some help or suggestions or whatever.
I have a corsair h80i cooling my i5. I put my allcore number to 45 (45x100) so it's 4.5ghz and I set my vcore to 1.12 (vs 1.1 stock)... Ran a stress test on Aida64 last night for 9 hours and max temp was 55c and no errors.

I looked up voltages for 4.5ghz for most people are running like 1.2 or 1.3... do just have a good cpu batch or what? Also should I push on to 4.8ghz? I mainly do 3d rendering and such so I'm trying to get a good clock that is stable for my renders...

BTW ambient temp is around 15-16c... pretty cold where I keep my computer.
Edited by 0verclock - 1/13/13 at 10:24am
post #2 of 85
Aha seems to good to be true. I would expect at least a 1.2 but if you say it works, then it works. Try pushing as far as your.confortable with both voltage and temps
post #3 of 85
You need to run some prime95 to see if that voltage is going to work aida is not that great for finding true stability.
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post #4 of 85
Prime it. If it's still stable, then that chip is golden.
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post #5 of 85
Quote:
Originally Posted by Mad Pistol View Post

Prime it. If it's still stable, then that chip is golden.

Pretty much this, although I would run F@H vs. P95, F@H is a lot more finniky so you get more accurate stability results
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post #6 of 85
Thread Starter 
Just downloaded prime95, which setting should I run? Small fft, blend, or in place large fft's? Thanks
post #7 of 85
Quote:
Originally Posted by 0verclock View Post

Just downloaded prime95, which setting should I run? Small fft, blend, or in place large fft's? Thanks

Custom with 90% of ram
post #8 of 85
Quote:
Originally Posted by chris-br View Post

Custom with 90% of ram

+1

And run it for at least 12 hours like a few others have said.
post #9 of 85
Is prime more effective or Intel Burn Test?
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post #10 of 85
Quote:
Originally Posted by chip94 View Post

Is prime more effective or Intel Burn Test?

both are good/effective, they do test different things tho..

Intel burntest is superior to Prime95 small FFT for determining CPU core logic stability.
Must run with the IBT thread count set equal to the physical core count of the CPU.
HT slows it down and reduces the ability to determine stability. Set to 4 threads on a 2600K.
Set memory to "All".
Stability Criterion: Must pass 5 cycles minimum, passing 20 cycles is preferred (considered gold standard)

Prime95 large FFT is superior to IBT for determining L3$/IMC stability.
Must use large FFT, blend is insufficient.
Stability Criterion: Must pass 2 hours minimum, passing 12 hours is preferred (considered gold standard)

its not a matter of, what program should i use to test stability,
but the use of different stability tests assures more,
i use, Cinebench as first test when looking for vcore for a new oc,
if it runs, and i dont have WHEA errors ,
my next is IBT, if it runs without problem,
i turn to prime, if it runs with no errors,
i go play games, browse OCN wink.gif
if nothing happens during the next days ..i call it stable..
Edited by VonDutch - 1/13/13 at 11:01am
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